Fix typos in pt/lessons/specifics/ets/ (#1941)
Fix typos in pt/lessons/specifics/ets/ (#1941)


nscyclone/elixir-school,nscyclone/elixir-school,doomspork/elixir-school,doomspork/elixir-school,doomspork/elixir_school,doomspork/elixir-school,doomspork/elixir_school,nscyclone/elixir-school,nscyclone/elixir-school,doomspork/elixir_school